Issue 46: Hengyu Guoqiang reducer - judge the fault according to the abnormal so
Time：2018-08-04 | Source：恒宇国强 | Browse：1240542
Large metal noise:
Cause 1: abnormal load, countermeasures: correct fit, study bearing clearance, adjust and load, correct the position of housing shoulder.
Cause 2: poor installation, countermeasures: machining accuracy of shaft and shell, improvement of installation accuracy and installation method.
Reason 3: insufficient or unsuitable lubricant, countermeasure: Supplement lubricant, choose proper lubricant. Reason 4: contact of rotating parts, countermeasure: modify the contact part of curved seal.
Regular noise:
Cause 1: indentation, rust or scar on rolling surface caused by foreign matters. Countermeasures: replace bearing, clean relevant parts, improve sealing device and use clean lubricant.
Cause 2: (after carburizing) surface deformation, countermeasures: replace the bearing, pay attention to its use. Cause 3: raceway surface peeling, countermeasure: replace bearing.
Irregular noise:
eason 1: the clearance is too large, countermeasures: study the clearance of fit and bearing, modify the preload.
Cause 2: foreign body invasion, countermeasures: study and replace the bearing, clean the relevant parts, improve the sealing device, use clean lubricant.
Cause 3: spherical surface damage, peeling, countermeasures: replace the bearing.
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